Operators and Matrices · Volume 8, Issue 2 Self-adjoint boundary conditions and interlacing of eigenvalues for the Sturm-Liouville equation on graphs 08-24 Pages 467-483 DOI 10.7153/oam-08-24 Downloads Short PDF Full PDF PNG Authors Sonja Currie Keywords self-adjoint differential operators on graphs eigenvalues Sturm-Liouville interlacing Subject classes 34B45 34L05 34B24 34L15